2013-06-10 ONE PASS AND MULTI PASS
http://blog.163.com/dazuiba_008/blog/static/36334981201162915350492/ONE PASS AND MULTI PASS 2011-08-01 14:59:27|&nbs...
2013-05-15 EXPDP/IMPDP任务的查看与管理
http://blog.chinaunix.net/uid-74941-id-161059.htmlEXPDP/IMPDP相比传统的exp/imp的最本质区别在于服务器端执行,客户端发出指定后,通过API启动服务器的备份job,在执行过程中,可以拿下Ctrl+C组合键,退出当...
2013-05-09 Partition-Wise Join of List-Partitioned Tables
http://www.antognini.ch/2010/08/partition-wise-join-of-list-partitioned-tables/Partition-Wise Join of List-Partitioned Tables Aug022010 ...
2013-04-08 lob pre-fetching
http://yumianfeilong.com/html/2013/03/24/601.htmlLobPrefetch: Faster Lob fetching in a single roundtripMarch 24th, 2013 | Categories: Boring | Tags: JDBC, Lob, Oracle...
2013-03-14 System-generated names formats
System-generated names default to these formats:SYS_LOB(10 digit object_id)C(5 digit col#)$$SYS_IL(10 digit object_id)C(5 digit col#)$$
2013-02-05 Parse CPU to Parse Elapsed%
http://www.askmaclean.com/archives/know-more-about-awr-parse-statistics.htmlhttp://www.itpub.net/thread-1762903-1-1.htmlhttp://t.askmaclean.com/thread-1113-1-1.htmlParse CPU to Parse Elapsed%是一个我...
2013-02-01 SESSION_CACHED_CURSOR & BIND VARIABLE GRADUATION
SESSION_CACHED_CURSOR:当设定SESSION_CACHED_CURSOR的值之后,当有parse请求的时候,Oracle会从library cache中查询。如果有超过3次同样的parse请求,这个游标将会存入Session的游标缓存中。对于将来同样的查...
2013-01-31 deleted index entries
索引块只有当全部数据被删除后才能被新的不同值数据插入否则只有插入相同的值的时候才能利用原来删除的空间但是这里呢,要说明一点的是:记录删除的时候索引并没有被真正地从物理上删除,仅仅是在该索引叶子...